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JUCE/src/gui/components/special/juce_AudioDeviceSelectorComponent.cpp
2010-03-23 17:36:12 +00:00

1170 lines
40 KiB
C++

/*
==============================================================================
This file is part of the JUCE library - "Jules' Utility Class Extensions"
Copyright 2004-9 by Raw Material Software Ltd.
------------------------------------------------------------------------------
JUCE can be redistributed and/or modified under the terms of the GNU General
Public License (Version 2), as published by the Free Software Foundation.
A copy of the license is included in the JUCE distribution, or can be found
online at www.gnu.org/licenses.
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.rawmaterialsoftware.com/juce for more information.
==============================================================================
*/
#include "../../../core/juce_StandardHeader.h"
BEGIN_JUCE_NAMESPACE
#include "juce_AudioDeviceSelectorComponent.h"
#include "../buttons/juce_TextButton.h"
#include "../menus/juce_PopupMenu.h"
#include "../windows/juce_AlertWindow.h"
#include "../lookandfeel/juce_LookAndFeel.h"
#include "../../../text/juce_LocalisedStrings.h"
//==============================================================================
class SimpleDeviceManagerInputLevelMeter : public Component,
public Timer
{
public:
SimpleDeviceManagerInputLevelMeter (AudioDeviceManager* const manager_)
: manager (manager_),
level (0)
{
startTimer (50);
manager->enableInputLevelMeasurement (true);
}
~SimpleDeviceManagerInputLevelMeter()
{
manager->enableInputLevelMeasurement (false);
}
void timerCallback()
{
const float newLevel = (float) manager->getCurrentInputLevel();
if (fabsf (level - newLevel) > 0.005f)
{
level = newLevel;
repaint();
}
}
void paint (Graphics& g)
{
getLookAndFeel().drawLevelMeter (g, getWidth(), getHeight(),
(float) exp (log (level) / 3.0)); // (add a bit of a skew to make the level more obvious)
}
private:
AudioDeviceManager* const manager;
float level;
SimpleDeviceManagerInputLevelMeter (const SimpleDeviceManagerInputLevelMeter&);
SimpleDeviceManagerInputLevelMeter& operator= (const SimpleDeviceManagerInputLevelMeter&);
};
//==============================================================================
class MidiInputSelectorComponentListBox : public ListBox,
public ListBoxModel
{
public:
//==============================================================================
MidiInputSelectorComponentListBox (AudioDeviceManager& deviceManager_,
const String& noItemsMessage_,
const int minNumber_,
const int maxNumber_)
: ListBox (String::empty, 0),
deviceManager (deviceManager_),
noItemsMessage (noItemsMessage_),
minNumber (minNumber_),
maxNumber (maxNumber_)
{
items = MidiInput::getDevices();
setModel (this);
setOutlineThickness (1);
}
~MidiInputSelectorComponentListBox()
{
}
int getNumRows()
{
return items.size();
}
void paintListBoxItem (int row,
Graphics& g,
int width, int height,
bool rowIsSelected)
{
if (((unsigned int) row) < (unsigned int) items.size())
{
if (rowIsSelected)
g.fillAll (findColour (TextEditor::highlightColourId)
.withMultipliedAlpha (0.3f));
const String item (items [row]);
bool enabled = deviceManager.isMidiInputEnabled (item);
const int x = getTickX();
const float tickW = height * 0.75f;
getLookAndFeel().drawTickBox (g, *this, x - tickW, (height - tickW) / 2, tickW, tickW,
enabled, true, true, false);
g.setFont (height * 0.6f);
g.setColour (findColour (ListBox::textColourId, true).withMultipliedAlpha (enabled ? 1.0f : 0.6f));
g.drawText (item, x, 0, width - x - 2, height, Justification::centredLeft, true);
}
}
void listBoxItemClicked (int row, const MouseEvent& e)
{
selectRow (row);
if (e.x < getTickX())
flipEnablement (row);
}
void listBoxItemDoubleClicked (int row, const MouseEvent&)
{
flipEnablement (row);
}
void returnKeyPressed (int row)
{
flipEnablement (row);
}
void paint (Graphics& g)
{
ListBox::paint (g);
if (items.size() == 0)
{
g.setColour (Colours::grey);
g.setFont (13.0f);
g.drawText (noItemsMessage,
0, 0, getWidth(), getHeight() / 2,
Justification::centred, true);
}
}
int getBestHeight (const int preferredHeight)
{
const int extra = getOutlineThickness() * 2;
return jmax (getRowHeight() * 2 + extra,
jmin (getRowHeight() * getNumRows() + extra,
preferredHeight));
}
//==============================================================================
juce_UseDebuggingNewOperator
private:
AudioDeviceManager& deviceManager;
const String noItemsMessage;
StringArray items;
int minNumber, maxNumber;
void flipEnablement (const int row)
{
if (((unsigned int) row) < (unsigned int) items.size())
{
const String item (items [row]);
deviceManager.setMidiInputEnabled (item, ! deviceManager.isMidiInputEnabled (item));
}
}
int getTickX() const
{
return getRowHeight() + 5;
}
MidiInputSelectorComponentListBox (const MidiInputSelectorComponentListBox&);
MidiInputSelectorComponentListBox& operator= (const MidiInputSelectorComponentListBox&);
};
//==============================================================================
class AudioDeviceSettingsPanel : public Component,
public ComboBoxListener,
public ChangeListener,
public ButtonListener
{
public:
AudioDeviceSettingsPanel (AudioIODeviceType* type_,
AudioIODeviceType::DeviceSetupDetails& setup_,
const bool hideAdvancedOptionsWithButton)
: type (type_),
setup (setup_)
{
sampleRateDropDown = 0;
sampleRateLabel = 0;
bufferSizeDropDown = 0;
bufferSizeLabel = 0;
outputDeviceDropDown = 0;
outputDeviceLabel = 0;
inputDeviceDropDown = 0;
inputDeviceLabel = 0;
testButton = 0;
inputLevelMeter = 0;
showUIButton = 0;
inputChanList = 0;
outputChanList = 0;
inputChanLabel = 0;
outputChanLabel = 0;
showAdvancedSettingsButton = 0;
if (hideAdvancedOptionsWithButton)
{
addAndMakeVisible (showAdvancedSettingsButton = new TextButton (TRANS("Show advanced settings...")));
showAdvancedSettingsButton->addButtonListener (this);
}
type->scanForDevices();
setup.manager->addChangeListener (this);
changeListenerCallback (0);
}
~AudioDeviceSettingsPanel()
{
setup.manager->removeChangeListener (this);
deleteAndZero (outputDeviceLabel);
deleteAndZero (inputDeviceLabel);
deleteAndZero (sampleRateLabel);
deleteAndZero (bufferSizeLabel);
deleteAndZero (showUIButton);
deleteAndZero (inputChanLabel);
deleteAndZero (outputChanLabel);
deleteAndZero (showAdvancedSettingsButton);
deleteAllChildren();
}
void resized()
{
const int lx = proportionOfWidth (0.35f);
const int w = proportionOfWidth (0.4f);
const int h = 24;
const int space = 6;
const int dh = h + space;
int y = 0;
if (outputDeviceDropDown != 0)
{
outputDeviceDropDown->setBounds (lx, y, w, h);
if (testButton != 0)
testButton->setBounds (proportionOfWidth (0.77f),
outputDeviceDropDown->getY(),
proportionOfWidth (0.18f),
h);
y += dh;
}
if (inputDeviceDropDown != 0)
{
inputDeviceDropDown->setBounds (lx, y, w, h);
inputLevelMeter->setBounds (proportionOfWidth (0.77f),
inputDeviceDropDown->getY(),
proportionOfWidth (0.18f),
h);
y += dh;
}
const int maxBoxHeight = 100;//(getHeight() - y - dh * 2) / numBoxes;
if (outputChanList != 0)
{
const int bh = outputChanList->getBestHeight (maxBoxHeight);
outputChanList->setBounds (lx, y, proportionOfWidth (0.55f), bh);
y += bh + space;
}
if (inputChanList != 0)
{
const int bh = inputChanList->getBestHeight (maxBoxHeight);
inputChanList->setBounds (lx, y, proportionOfWidth (0.55f), bh);
y += bh + space;
}
y += space * 2;
if (showAdvancedSettingsButton != 0)
{
showAdvancedSettingsButton->changeWidthToFitText (h);
showAdvancedSettingsButton->setTopLeftPosition (lx, y);
}
if (sampleRateDropDown != 0)
{
sampleRateDropDown->setVisible (showAdvancedSettingsButton == 0
|| ! showAdvancedSettingsButton->isVisible());
sampleRateDropDown->setBounds (lx, y, w, h);
y += dh;
}
if (bufferSizeDropDown != 0)
{
bufferSizeDropDown->setVisible (showAdvancedSettingsButton == 0
|| ! showAdvancedSettingsButton->isVisible());
bufferSizeDropDown->setBounds (lx, y, w, h);
y += dh;
}
if (showUIButton != 0)
{
showUIButton->setVisible (showAdvancedSettingsButton == 0
|| ! showAdvancedSettingsButton->isVisible());
showUIButton->changeWidthToFitText (h);
showUIButton->setTopLeftPosition (lx, y);
}
}
void comboBoxChanged (ComboBox* comboBoxThatHasChanged)
{
if (comboBoxThatHasChanged == 0)
return;
AudioDeviceManager::AudioDeviceSetup config;
setup.manager->getAudioDeviceSetup (config);
String error;
if (comboBoxThatHasChanged == outputDeviceDropDown
|| comboBoxThatHasChanged == inputDeviceDropDown)
{
if (outputDeviceDropDown != 0)
config.outputDeviceName = outputDeviceDropDown->getSelectedId() < 0 ? String::empty
: outputDeviceDropDown->getText();
if (inputDeviceDropDown != 0)
config.inputDeviceName = inputDeviceDropDown->getSelectedId() < 0 ? String::empty
: inputDeviceDropDown->getText();
if (! type->hasSeparateInputsAndOutputs())
config.inputDeviceName = config.outputDeviceName;
if (comboBoxThatHasChanged == inputDeviceDropDown)
config.useDefaultInputChannels = true;
else
config.useDefaultOutputChannels = true;
error = setup.manager->setAudioDeviceSetup (config, true);
showCorrectDeviceName (inputDeviceDropDown, true);
showCorrectDeviceName (outputDeviceDropDown, false);
updateControlPanelButton();
resized();
}
else if (comboBoxThatHasChanged == sampleRateDropDown)
{
if (sampleRateDropDown->getSelectedId() > 0)
{
config.sampleRate = sampleRateDropDown->getSelectedId();
error = setup.manager->setAudioDeviceSetup (config, true);
}
}
else if (comboBoxThatHasChanged == bufferSizeDropDown)
{
if (bufferSizeDropDown->getSelectedId() > 0)
{
config.bufferSize = bufferSizeDropDown->getSelectedId();
error = setup.manager->setAudioDeviceSetup (config, true);
}
}
if (error.isNotEmpty())
{
AlertWindow::showMessageBox (AlertWindow::WarningIcon,
"Error when trying to open audio device!",
error);
}
}
void buttonClicked (Button* button)
{
if (button == showAdvancedSettingsButton)
{
showAdvancedSettingsButton->setVisible (false);
resized();
}
else if (button == showUIButton)
{
AudioIODevice* const device = setup.manager->getCurrentAudioDevice();
if (device != 0 && device->showControlPanel())
{
setup.manager->closeAudioDevice();
setup.manager->restartLastAudioDevice();
getTopLevelComponent()->toFront (true);
}
}
else if (button == testButton && testButton != 0)
{
setup.manager->playTestSound();
}
}
void updateControlPanelButton()
{
AudioIODevice* const currentDevice = setup.manager->getCurrentAudioDevice();
deleteAndZero (showUIButton);
if (currentDevice != 0 && currentDevice->hasControlPanel())
{
addAndMakeVisible (showUIButton = new TextButton (TRANS ("show this device's control panel"),
TRANS ("opens the device's own control panel")));
showUIButton->addButtonListener (this);
}
resized();
}
void changeListenerCallback (void*)
{
AudioIODevice* const currentDevice = setup.manager->getCurrentAudioDevice();
if (setup.maxNumOutputChannels > 0 || ! type->hasSeparateInputsAndOutputs())
{
if (outputDeviceDropDown == 0)
{
outputDeviceDropDown = new ComboBox (String::empty);
outputDeviceDropDown->addListener (this);
addAndMakeVisible (outputDeviceDropDown);
outputDeviceLabel = new Label (String::empty,
type->hasSeparateInputsAndOutputs() ? TRANS ("output:")
: TRANS ("device:"));
outputDeviceLabel->attachToComponent (outputDeviceDropDown, true);
if (setup.maxNumOutputChannels > 0)
{
addAndMakeVisible (testButton = new TextButton (TRANS ("Test")));
testButton->addButtonListener (this);
}
}
addNamesToDeviceBox (*outputDeviceDropDown, false);
}
if (setup.maxNumInputChannels > 0 && type->hasSeparateInputsAndOutputs())
{
if (inputDeviceDropDown == 0)
{
inputDeviceDropDown = new ComboBox (String::empty);
inputDeviceDropDown->addListener (this);
addAndMakeVisible (inputDeviceDropDown);
inputDeviceLabel = new Label (String::empty, TRANS ("input:"));
inputDeviceLabel->attachToComponent (inputDeviceDropDown, true);
addAndMakeVisible (inputLevelMeter
= new SimpleDeviceManagerInputLevelMeter (setup.manager));
}
addNamesToDeviceBox (*inputDeviceDropDown, true);
}
updateControlPanelButton();
showCorrectDeviceName (inputDeviceDropDown, true);
showCorrectDeviceName (outputDeviceDropDown, false);
if (currentDevice != 0)
{
if (setup.maxNumOutputChannels > 0
&& setup.minNumOutputChannels < setup.manager->getCurrentAudioDevice()->getOutputChannelNames().size())
{
if (outputChanList == 0)
{
addAndMakeVisible (outputChanList
= new ChannelSelectorListBox (setup, ChannelSelectorListBox::audioOutputType,
TRANS ("(no audio output channels found)")));
outputChanLabel = new Label (String::empty, TRANS ("active output channels:"));
outputChanLabel->attachToComponent (outputChanList, true);
}
outputChanList->refresh();
}
else
{
deleteAndZero (outputChanLabel);
deleteAndZero (outputChanList);
}
if (setup.maxNumInputChannels > 0
&& setup.minNumInputChannels < setup.manager->getCurrentAudioDevice()->getInputChannelNames().size())
{
if (inputChanList == 0)
{
addAndMakeVisible (inputChanList
= new ChannelSelectorListBox (setup, ChannelSelectorListBox::audioInputType,
TRANS ("(no audio input channels found)")));
inputChanLabel = new Label (String::empty, TRANS ("active input channels:"));
inputChanLabel->attachToComponent (inputChanList, true);
}
inputChanList->refresh();
}
else
{
deleteAndZero (inputChanLabel);
deleteAndZero (inputChanList);
}
// sample rate..
{
if (sampleRateDropDown == 0)
{
addAndMakeVisible (sampleRateDropDown = new ComboBox (String::empty));
sampleRateDropDown->addListener (this);
delete sampleRateLabel;
sampleRateLabel = new Label (String::empty, TRANS ("sample rate:"));
sampleRateLabel->attachToComponent (sampleRateDropDown, true);
}
else
{
sampleRateDropDown->clear();
sampleRateDropDown->removeListener (this);
}
const int numRates = currentDevice->getNumSampleRates();
for (int i = 0; i < numRates; ++i)
{
const int rate = roundToInt (currentDevice->getSampleRate (i));
sampleRateDropDown->addItem (String (rate) + " Hz", rate);
}
sampleRateDropDown->setSelectedId (roundToInt (currentDevice->getCurrentSampleRate()), true);
sampleRateDropDown->addListener (this);
}
// buffer size
{
if (bufferSizeDropDown == 0)
{
addAndMakeVisible (bufferSizeDropDown = new ComboBox (String::empty));
bufferSizeDropDown->addListener (this);
delete bufferSizeLabel;
bufferSizeLabel = new Label (String::empty, TRANS ("audio buffer size:"));
bufferSizeLabel->attachToComponent (bufferSizeDropDown, true);
}
else
{
bufferSizeDropDown->clear();
}
const int numBufferSizes = currentDevice->getNumBufferSizesAvailable();
double currentRate = currentDevice->getCurrentSampleRate();
if (currentRate == 0)
currentRate = 48000.0;
for (int i = 0; i < numBufferSizes; ++i)
{
const int bs = currentDevice->getBufferSizeSamples (i);
bufferSizeDropDown->addItem (String (bs)
+ " samples ("
+ String (bs * 1000.0 / currentRate, 1)
+ " ms)",
bs);
}
bufferSizeDropDown->setSelectedId (currentDevice->getCurrentBufferSizeSamples(), true);
}
}
else
{
jassert (setup.manager->getCurrentAudioDevice() == 0); // not the correct device type!
deleteAndZero (sampleRateLabel);
deleteAndZero (bufferSizeLabel);
deleteAndZero (sampleRateDropDown);
deleteAndZero (bufferSizeDropDown);
if (outputDeviceDropDown != 0)
outputDeviceDropDown->setSelectedId (-1, true);
if (inputDeviceDropDown != 0)
inputDeviceDropDown->setSelectedId (-1, true);
}
resized();
setSize (getWidth(), getLowestY() + 4);
}
private:
AudioIODeviceType* const type;
const AudioIODeviceType::DeviceSetupDetails setup;
ComboBox* outputDeviceDropDown;
ComboBox* inputDeviceDropDown;
ComboBox* sampleRateDropDown;
ComboBox* bufferSizeDropDown;
Label* outputDeviceLabel;
Label* inputDeviceLabel;
Label* sampleRateLabel;
Label* bufferSizeLabel;
Label* inputChanLabel;
Label* outputChanLabel;
TextButton* testButton;
Component* inputLevelMeter;
TextButton* showUIButton;
TextButton* showAdvancedSettingsButton;
void showCorrectDeviceName (ComboBox* const box, const bool isInput)
{
if (box != 0)
{
AudioIODevice* const currentDevice = dynamic_cast <AudioIODevice*> (setup.manager->getCurrentAudioDevice());
const int index = type->getIndexOfDevice (currentDevice, isInput);
box->setSelectedId (index + 1, true);
if (testButton != 0 && ! isInput)
testButton->setEnabled (index >= 0);
}
}
void addNamesToDeviceBox (ComboBox& combo, bool isInputs)
{
const StringArray devs (type->getDeviceNames (isInputs));
combo.clear (true);
for (int i = 0; i < devs.size(); ++i)
combo.addItem (devs[i], i + 1);
combo.addItem (TRANS("<< none >>"), -1);
combo.setSelectedId (-1, true);
}
int getLowestY() const
{
int y = 0;
for (int i = getNumChildComponents(); --i >= 0;)
y = jmax (y, getChildComponent (i)->getBottom());
return y;
}
public:
//==============================================================================
class ChannelSelectorListBox : public ListBox,
public ListBoxModel
{
public:
enum BoxType
{
audioInputType,
audioOutputType
};
//==============================================================================
ChannelSelectorListBox (const AudioIODeviceType::DeviceSetupDetails& setup_,
const BoxType type_,
const String& noItemsMessage_)
: ListBox (String::empty, 0),
setup (setup_),
type (type_),
noItemsMessage (noItemsMessage_)
{
refresh();
setModel (this);
setOutlineThickness (1);
}
~ChannelSelectorListBox()
{
}
void refresh()
{
items.clear();
AudioIODevice* const currentDevice = setup.manager->getCurrentAudioDevice();
if (currentDevice != 0)
{
if (type == audioInputType)
items = currentDevice->getInputChannelNames();
else if (type == audioOutputType)
items = currentDevice->getOutputChannelNames();
if (setup.useStereoPairs)
{
StringArray pairs;
for (int i = 0; i < items.size(); i += 2)
{
String name (items[i]);
String name2 (items[i + 1]);
String commonBit;
for (int j = 0; j < name.length(); ++j)
if (name.substring (0, j).equalsIgnoreCase (name2.substring (0, j)))
commonBit = name.substring (0, j);
pairs.add (name.trim()
+ " + "
+ name2.substring (commonBit.length()).trim());
}
items = pairs;
}
}
updateContent();
repaint();
}
int getNumRows()
{
return items.size();
}
void paintListBoxItem (int row,
Graphics& g,
int width, int height,
bool rowIsSelected)
{
if (((unsigned int) row) < (unsigned int) items.size())
{
if (rowIsSelected)
g.fillAll (findColour (TextEditor::highlightColourId)
.withMultipliedAlpha (0.3f));
const String item (items [row]);
bool enabled = false;
AudioDeviceManager::AudioDeviceSetup config;
setup.manager->getAudioDeviceSetup (config);
if (setup.useStereoPairs)
{
if (type == audioInputType)
enabled = config.inputChannels [row * 2] || config.inputChannels [row * 2 + 1];
else if (type == audioOutputType)
enabled = config.outputChannels [row * 2] || config.outputChannels [row * 2 + 1];
}
else
{
if (type == audioInputType)
enabled = config.inputChannels [row];
else if (type == audioOutputType)
enabled = config.outputChannels [row];
}
const int x = getTickX();
const float tickW = height * 0.75f;
getLookAndFeel().drawTickBox (g, *this, x - tickW, (height - tickW) / 2, tickW, tickW,
enabled, true, true, false);
g.setFont (height * 0.6f);
g.setColour (findColour (ListBox::textColourId, true).withMultipliedAlpha (enabled ? 1.0f : 0.6f));
g.drawText (item, x, 0, width - x - 2, height, Justification::centredLeft, true);
}
}
void listBoxItemClicked (int row, const MouseEvent& e)
{
selectRow (row);
if (e.x < getTickX())
flipEnablement (row);
}
void listBoxItemDoubleClicked (int row, const MouseEvent&)
{
flipEnablement (row);
}
void returnKeyPressed (int row)
{
flipEnablement (row);
}
void paint (Graphics& g)
{
ListBox::paint (g);
if (items.size() == 0)
{
g.setColour (Colours::grey);
g.setFont (13.0f);
g.drawText (noItemsMessage,
0, 0, getWidth(), getHeight() / 2,
Justification::centred, true);
}
}
int getBestHeight (int maxHeight)
{
return getRowHeight() * jlimit (2, jmax (2, maxHeight / getRowHeight()),
getNumRows())
+ getOutlineThickness() * 2;
}
//==============================================================================
juce_UseDebuggingNewOperator
private:
const AudioIODeviceType::DeviceSetupDetails setup;
const BoxType type;
const String noItemsMessage;
StringArray items;
void flipEnablement (const int row)
{
jassert (type == audioInputType || type == audioOutputType);
if (((unsigned int) row) < (unsigned int) items.size())
{
AudioDeviceManager::AudioDeviceSetup config;
setup.manager->getAudioDeviceSetup (config);
if (setup.useStereoPairs)
{
BigInteger bits;
BigInteger& original = (type == audioInputType ? config.inputChannels
: config.outputChannels);
int i;
for (i = 0; i < 256; i += 2)
bits.setBit (i / 2, original [i] || original [i + 1]);
if (type == audioInputType)
{
config.useDefaultInputChannels = false;
flipBit (bits, row, setup.minNumInputChannels / 2, setup.maxNumInputChannels / 2);
}
else
{
config.useDefaultOutputChannels = false;
flipBit (bits, row, setup.minNumOutputChannels / 2, setup.maxNumOutputChannels / 2);
}
for (i = 0; i < 256; ++i)
original.setBit (i, bits [i / 2]);
}
else
{
if (type == audioInputType)
{
config.useDefaultInputChannels = false;
flipBit (config.inputChannels, row, setup.minNumInputChannels, setup.maxNumInputChannels);
}
else
{
config.useDefaultOutputChannels = false;
flipBit (config.outputChannels, row, setup.minNumOutputChannels, setup.maxNumOutputChannels);
}
}
String error (setup.manager->setAudioDeviceSetup (config, true));
if (! error.isEmpty())
{
//xxx
}
}
}
static void flipBit (BigInteger& chans, int index, int minNumber, int maxNumber)
{
const int numActive = chans.countNumberOfSetBits();
if (chans [index])
{
if (numActive > minNumber)
chans.setBit (index, false);
}
else
{
if (numActive >= maxNumber)
{
const int firstActiveChan = chans.findNextSetBit();
chans.setBit (index > firstActiveChan
? firstActiveChan : chans.getHighestBit(),
false);
}
chans.setBit (index, true);
}
}
int getTickX() const
{
return getRowHeight() + 5;
}
ChannelSelectorListBox (const ChannelSelectorListBox&);
ChannelSelectorListBox& operator= (const ChannelSelectorListBox&);
};
private:
ChannelSelectorListBox* inputChanList;
ChannelSelectorListBox* outputChanList;
AudioDeviceSettingsPanel (const AudioDeviceSettingsPanel&);
AudioDeviceSettingsPanel& operator= (const AudioDeviceSettingsPanel&);
};
//==============================================================================
AudioDeviceSelectorComponent::AudioDeviceSelectorComponent (AudioDeviceManager& deviceManager_,
const int minInputChannels_,
const int maxInputChannels_,
const int minOutputChannels_,
const int maxOutputChannels_,
const bool showMidiInputOptions,
const bool showMidiOutputSelector,
const bool showChannelsAsStereoPairs_,
const bool hideAdvancedOptionsWithButton_)
: deviceManager (deviceManager_),
deviceTypeDropDown (0),
deviceTypeDropDownLabel (0),
audioDeviceSettingsComp (0),
minOutputChannels (minOutputChannels_),
maxOutputChannels (maxOutputChannels_),
minInputChannels (minInputChannels_),
maxInputChannels (maxInputChannels_),
showChannelsAsStereoPairs (showChannelsAsStereoPairs_),
hideAdvancedOptionsWithButton (hideAdvancedOptionsWithButton_)
{
jassert (minOutputChannels >= 0 && minOutputChannels <= maxOutputChannels);
jassert (minInputChannels >= 0 && minInputChannels <= maxInputChannels);
if (deviceManager_.getAvailableDeviceTypes().size() > 1)
{
deviceTypeDropDown = new ComboBox (String::empty);
for (int i = 0; i < deviceManager_.getAvailableDeviceTypes().size(); ++i)
{
deviceTypeDropDown
->addItem (deviceManager_.getAvailableDeviceTypes().getUnchecked(i)->getTypeName(),
i + 1);
}
addAndMakeVisible (deviceTypeDropDown);
deviceTypeDropDown->addListener (this);
deviceTypeDropDownLabel = new Label (String::empty, TRANS ("audio device type:"));
deviceTypeDropDownLabel->setJustificationType (Justification::centredRight);
deviceTypeDropDownLabel->attachToComponent (deviceTypeDropDown, true);
}
if (showMidiInputOptions)
{
addAndMakeVisible (midiInputsList
= new MidiInputSelectorComponentListBox (deviceManager,
TRANS("(no midi inputs available)"),
0, 0));
midiInputsLabel = new Label (String::empty, TRANS ("active midi inputs:"));
midiInputsLabel->setJustificationType (Justification::topRight);
midiInputsLabel->attachToComponent (midiInputsList, true);
}
else
{
midiInputsList = 0;
midiInputsLabel = 0;
}
if (showMidiOutputSelector)
{
addAndMakeVisible (midiOutputSelector = new ComboBox (String::empty));
midiOutputSelector->addListener (this);
midiOutputLabel = new Label ("lm", TRANS("Midi Output:"));
midiOutputLabel->attachToComponent (midiOutputSelector, true);
}
else
{
midiOutputSelector = 0;
midiOutputLabel = 0;
}
deviceManager_.addChangeListener (this);
changeListenerCallback (0);
}
AudioDeviceSelectorComponent::~AudioDeviceSelectorComponent()
{
deviceManager.removeChangeListener (this);
deleteAllChildren();
}
void AudioDeviceSelectorComponent::resized()
{
const int lx = proportionOfWidth (0.35f);
const int w = proportionOfWidth (0.4f);
const int h = 24;
const int space = 6;
const int dh = h + space;
int y = 15;
if (deviceTypeDropDown != 0)
{
deviceTypeDropDown->setBounds (lx, y, proportionOfWidth (0.3f), h);
y += dh + space * 2;
}
if (audioDeviceSettingsComp != 0)
{
audioDeviceSettingsComp->setBounds (0, y, getWidth(), audioDeviceSettingsComp->getHeight());
y += audioDeviceSettingsComp->getHeight() + space;
}
if (midiInputsList != 0)
{
const int bh = midiInputsList->getBestHeight (jmin (h * 8, getHeight() - y - space - h));
midiInputsList->setBounds (lx, y, w, bh);
y += bh + space;
}
if (midiOutputSelector != 0)
midiOutputSelector->setBounds (lx, y, w, h);
}
void AudioDeviceSelectorComponent::childBoundsChanged (Component* child)
{
if (child == audioDeviceSettingsComp)
resized();
}
void AudioDeviceSelectorComponent::buttonClicked (Button*)
{
AudioIODevice* const device = deviceManager.getCurrentAudioDevice();
if (device != 0 && device->hasControlPanel())
{
if (device->showControlPanel())
deviceManager.restartLastAudioDevice();
getTopLevelComponent()->toFront (true);
}
}
void AudioDeviceSelectorComponent::comboBoxChanged (ComboBox* comboBoxThatHasChanged)
{
if (comboBoxThatHasChanged == deviceTypeDropDown)
{
AudioIODeviceType* const type = deviceManager.getAvailableDeviceTypes() [deviceTypeDropDown->getSelectedId() - 1];
if (type != 0)
{
deleteAndZero (audioDeviceSettingsComp);
deviceManager.setCurrentAudioDeviceType (type->getTypeName(), true);
changeListenerCallback (0); // needed in case the type hasn't actally changed
}
}
else if (comboBoxThatHasChanged == midiOutputSelector)
{
deviceManager.setDefaultMidiOutput (midiOutputSelector->getText());
}
}
void AudioDeviceSelectorComponent::changeListenerCallback (void*)
{
if (deviceTypeDropDown != 0)
{
deviceTypeDropDown->setText (deviceManager.getCurrentAudioDeviceType(), false);
}
if (audioDeviceSettingsComp == 0
|| audioDeviceSettingsCompType != deviceManager.getCurrentAudioDeviceType())
{
audioDeviceSettingsCompType = deviceManager.getCurrentAudioDeviceType();
deleteAndZero (audioDeviceSettingsComp);
AudioIODeviceType* const type
= deviceManager.getAvailableDeviceTypes() [deviceTypeDropDown == 0
? 0 : deviceTypeDropDown->getSelectedId() - 1];
if (type != 0)
{
AudioIODeviceType::DeviceSetupDetails details;
details.manager = &deviceManager;
details.minNumInputChannels = minInputChannels;
details.maxNumInputChannels = maxInputChannels;
details.minNumOutputChannels = minOutputChannels;
details.maxNumOutputChannels = maxOutputChannels;
details.useStereoPairs = showChannelsAsStereoPairs;
audioDeviceSettingsComp = new AudioDeviceSettingsPanel (type, details, hideAdvancedOptionsWithButton);
if (audioDeviceSettingsComp != 0)
{
addAndMakeVisible (audioDeviceSettingsComp);
audioDeviceSettingsComp->resized();
}
}
}
if (midiInputsList != 0)
{
midiInputsList->updateContent();
midiInputsList->repaint();
}
if (midiOutputSelector != 0)
{
midiOutputSelector->clear();
const StringArray midiOuts (MidiOutput::getDevices());
midiOutputSelector->addItem (TRANS("<< none >>"), -1);
midiOutputSelector->addSeparator();
for (int i = 0; i < midiOuts.size(); ++i)
midiOutputSelector->addItem (midiOuts[i], i + 1);
int current = -1;
if (deviceManager.getDefaultMidiOutput() != 0)
current = 1 + midiOuts.indexOf (deviceManager.getDefaultMidiOutputName());
midiOutputSelector->setSelectedId (current, true);
}
resized();
}
END_JUCE_NAMESPACE